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wspawn instruction support.

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cdkersey
2015-08-04 12:20:49 -06:00
parent 3011e4e757
commit c3dfe31fe7
3 changed files with 37 additions and 14 deletions
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22
src/instruction.cpp
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@@ -67,7 +67,7 @@ Instruction::InstTableEntry Instruction::instTable[] = {
{"notp", false, false, false, false, AC_2PREG, ITYPE_INTBASIC},
{"isneg", false, false, false, false, AC_PREG_REG, ITYPE_INTBASIC},
{"iszero", false, false, false, false, AC_PREG_REG, ITYPE_INTBASIC},
{"halt", false, false, false, true, AC_NONE, ITYPE_NULL },
{"halt", false, false, false, false, AC_NONE, ITYPE_NULL },
{"trap", true, false, false, false, AC_NONE, ITYPE_TRAP },
{"jmpru", false, false, false, true, AC_1REG, ITYPE_RET },
{"skep", false, false, false, true, AC_1REG, ITYPE_NULL },
@@ -281,7 +281,8 @@ void Instruction::executeOn(Warp &c) {
break;
case ISNEG: pReg[pdest] = (1ll<<(wordSz*8 - 1))&reg[rsrc[0]];
break;
case HALT: c.activeThreads = 0;
case HALT: D(3, "=== EXECUTING halt ===");
c.activeThreads = 0;
nextActiveThreads = 0;
break;
case TRAP: c.interrupt(0);
@@ -290,7 +291,7 @@ void Instruction::executeOn(Warp &c) {
if (!pcSet) nextPc = reg[rsrc[0]];
pcSet = true;
break;
case SKEP: c.interruptEntry = reg[rsrc[0]];
case SKEP: c.core->interruptEntry = reg[rsrc[0]];
break;
case RETI: if (t == 0) {
c.tmask = c.shadowTmask;
@@ -344,6 +345,21 @@ void Instruction::executeOn(Warp &c) {
c.domStack.pop();
}
break;
case WSPAWN: if (sjOnce) {
sjOnce = false;
D(0, "Spawning a new warp.");
for (unsigned i = 0; i < c.core->w.size(); ++i) {
Warp &newWarp(c.core->w[i]);
if (newWarp.activeThreads == 0) {
newWarp.pc = reg[rsrc[0]];
newWarp.reg[0][rdest] = reg[rsrc[1]];
newWarp.activeThreads = 1;
newWarp.supervisorMode = false;
break;
}
}
}
break;
default:
cout << "ERROR: Unsupported instruction: " << *this << "\n";
exit(1);